Gr 7 Ecosystems
Grade 7 Ecosystems
Grade 7/8
Grade 8 Cells
Grade 8 Cells
100

Living parts of an ecosystem

Biotic

100

Eats meat

Carnivore

100

bacteria and fungi that eat decaying matter

Decomposers

100

The smallest unit that can live on their own

Cell

100

The substance being dissolved in something

Solute

200

Non living things in an ecosystem

Abiotic

200

Eats plants

Herbivore

200

Provides protection for the cell

Cell membrane

200
The command centre of the cell.

Nucleus

200

A substance that dissolves the solute

Solvent

300

Name 3 basic needs of a plant.

Light, Air, Water, Warmth, Space

300

Eats meat and plants

Omnivore

300

Nonliving substances that living things need to survive

Nutrients

300

A specialized part of the cell

Organelle

300

A mixture made up of one uniform substance

Homogenous

400

Name 3 basic animal needs

Food, water, shelter, air and space

400

Can produce their own food

Producers

400

Powerhouses of the cell

Mitochondria

400

Movement of molecules from an area of higher concentration to lower concentration

Diffusion

400

A factor that affects diffusion

Surface area, temperature, concentration

500
A network of interactions among living organisms and their environment.

Ecosystem

500

Cannot make their own food

Consumers

500

Movement of water molecules across a semi-permeable membrane.

Osmosis

500

A mixture made up of 2 different substances

Heterogenous

500

Name one example of diffusion in the human body

Lungs, blood